Get a local business phone number in Austin, TX

Austin area codes

Austin city is a Census place in Travis County, Texas, with an estimated 993,588 residents in 2024. NANPA lists 739 exchanges for its rate center across 2 area codes; 512 has the most (585, 79%). 512 is part of an overlay with 737, so a new local number in Austin may carry any of those codes depending on which have numbers available. Austin is in the Central time zone.

According to NANPA's dialing-plan data, local calls within 512 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Austin exchanges by carrier

53 carriers hold the 739 exchanges assigned to Austin's rate center. Southwestern Bell has the most, with 245. 506 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. A business number in Austin can come from any of these blocks; once it is yours, porting lets it move between providers.

Austin phone prefixes

A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Austin. The earliest assignment date recorded in the file for these codes is 2001. 98 of the 739 were assigned in 2020 or later.

When Austin's exchanges were assigned

Assignment dates show when each block of Austin numbers was added to the local supply.

How local numbers work in Austin

Phone numbers are tied to a rate center, the local calling area used to decide whether a call is local or toll. Austin's numbers are rated to the AUSTIN rate center in NANPA's records. A business number from one of the prefixes above shows up on customers' phones as a Austin number.

New local numbers are drawn from carrier inventory, so the exact 512 numbers available change over time; porting an existing number is free.

The local business market

Austin is part of the Austin-Round Rock-San Marcos, TX metro area, home to 2.6 million people in 2024. County Business Patterns counted 66,280 business establishments in the Austin, TX metro area in 2023, employing 1,042,004 people. The largest sectors by establishment count are professional, scientific, and technical services (12,232), health care and social assistance (7,125), and retail trade (6,650).

Business phone service in Austin

Callata is a business phone system priced at $99 a month with 5 users included, then $20 per additional user. Callata Office includes up to 3 local business numbers, unlimited inbound calling, 1,500 pooled outbound US and Canada minutes per user each month, a browser softphone that can also ring your cell, voicemail with transcription, call recording with AI summaries, business-hours routing and E911 on every number.

If you already have a number in Austin, porting it to Callata is free. Texting from a local number requires a one-time carrier registration (10DLC, $49), and the numbers available in any area code depend on carrier inventory when you choose them.

Optional AI agents (receptionist, sales, support or scheduler) can answer calls after hours or when nobody picks up, take messages, text, email and transfer to your team. They are billed from prepaid AI minutes at $0.25 per minute, identify themselves as AI, and may only place outbound calls to people who consented, between 8am and 9pm.

The comparison below uses 16 users, the rounded average establishment size in the Austin, TX metro area. At list prices checked September 28, 2026, that is $399.20 a month on Ooma Office Pro and $480.00 on RingCentral RingEX Core. On Callata the same 16 people cost $319.00 a month, less than either per-seat plan.